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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
7,134 8,700 10,756 12,573 10,276 9,260 2007-2012
Adjustments
    179 533 42 -483 2009-2012
Revision Increases
    580 1,044 3,005 200 2009-2012
Revision Decreases
    469 191 5,864 1,111 2009-2012
Sales
    53 83 1,259 381 2009-2012
Acquisitions
    59 32 1,489 281 2009-2012
Extensions
    2,389 1,199 891 1,054 2009-2012
New Field Discoveries
    0 0 11 0 2009-2012
New Reservoir Discoveries in Old Fields
    14 8 0 50 2009-2012
Estimated Production
460 586 643 725 612 626 2007-2012
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 4/10/2014
Next Release Date: 4/30/2015